<template>
  <HomePanel title="热门品牌" sub-title="国际经典 品质保证">
    <template v-slot:right>
      <a
        @click="taggle(-1)"
        href="javascript:;"
        class="iconfont icon-angle-left prev"
      ></a>
      <a
        @click="taggle(1)"
        href="javascript:;"
        class="iconfont icon-angle-right next"
      ></a>
    </template>
    <div class="box" ref="target">
      <transition-group name="fide">
        <ul
          v-if="result.length"
          class="list"
          :style="{ transform: `translateX(${-index * 1248}px)` }"
        >
          <li v-for="i in result" :key="i.id">
            <RouterLink to="/">
              <img v-lazy='i.picture' alt="" />
            </RouterLink>
          </li>
        </ul>
        <Homeskeleton v-else />
      </transition-group>
    </div>
  </HomePanel>
</template>

<script>
import { ref } from "vue";
import HomePanel from "./home-panel.vue";
import Homeskeleton from "./home-skeleton.vue";
// import Homeskeleton from "./home-skeleton.vue";
import { findBrand } from "@/api/home";
import { useLazyData } from "@/hooks/index";

export default {
  name: "HomeBrand",
  components: { HomePanel, Homeskeleton },
  setup(props) {
    const { result, target } = useLazyData(()=>findBrand(10));

    //  切换效果 前面只有0 1 两页
    const index = ref(0);
    // 上一页
    // 下一页
    const taggle = (step) => {
      const newIndex = index.value + step;
      if (newIndex < 0 || newIndex > 1) return;
      index.value = newIndex;
    };
    return { result, target, index, taggle };
  },
};
</script>

<style scoped lang='less'>
// 骨架动画
.skeleton {
  width: 100%;
  display: flex;
  .item {
    margin-right: 10px;
    &:nth-child(5n) {
      margin-right: 0;
    }
  }
}

.home-panel {
  background: #f5f5f5;
}
.iconfont {
  width: 20px;
  height: 20px;
  background: #ccc;
  color: #fff;
  display: inline-block;
  text-align: center;
  margin-left: 5px;
  background: @xtxColor;
  &::before {
    font-size: 12px;
    position: relative;
    top: -2px;
  }
  &.disabled {
    background: #ccc;
    cursor: not-allowed;
  }
}
.box {
  display: flex;
  width: 100%;
  height: 345px;
  overflow: hidden;
  padding-bottom: 40px;
  .list {
    width: 200%;
    display: flex;
    transition: all 1s;
    li {
      margin-right: 10px;
      width: 240px;
      &:nth-child(5n) {
        margin-right: 0;
      }
      img {
        width: 240px;
        height: 305px;
      }
    }
  }
}
</style>
